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Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations)

Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations) is filed with Dirección General del Catastro. With Managora you do it 100% online: you answer a few questions, sign a digital mandato (power of representation) and we draft, sign and file your application for you. Estimated total cost: €144. Official tasa (government fee): Free procedure: submitting the Catastro declaration of alteration due to works before the Catastro does not incur any tasa (official fee). The only Catastro fee (tasa de acreditación catastral) is charged only for issuing certificates and copies of documents, not for declarations. We submit your declaration on your behalf with no fee cost.

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We regularise undeclared constructions, renovations, swimming pools, or extensions with the Catastro. We handle the Modelo 900D application to update your property description, helping you avoid penalties and unblocking sale or inheritance transactions.

Practical guide: Catastro: descriptive and graphic certification, declaring building work (900D) and appealing. Requirements, deadlines and the steps, explained.

What we charge you
€144
Managora's fee
€144.00 (21% VAT incl.)
Tasa (official government fee)
Free procedure: submitting the Catastro declaration of alteration due to works before the Catastro does not incur any tasa (official fee). The only Catastro fee (tasa de acreditación catastral) is charged only for issuing certificates and copies of documents, not for declarations. We submit your declaration on your behalf with no fee cost. (suplido: paid to the authority on your behalf, no VAT)
Processing time
The deadline for resolution is set by the regulations of the procedure; we will confirm it to you when we open your case file.
Where it is filed
Dirección General del Catastro ↗
What you receive
Application

Cost breakdown: Our fee €144.00 (21% VAT incl.).

Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations): how is it filed?

  1. 11. Fill in the form indicating the reference catastral and the date the works were completed.
  2. 22. Attach the notary documentation (escritura) or technical documentation (project/licences) proving the alteration of the square metres or characteristics of the property.
  3. 33. Our managers will analyse the documentation, prepare the Modelo 900D, and submit it electronically through the Sede del Catastro.
  4. 44. We will send you the official registration receipt of the declaration as proof of your Catastro update application.

Which documents do you need?

  • •Escritura de obra nueva (new build title deed), if any
  • •Technical documentation (project, final work certificate, or licences)
  • •Photographs of the current state of the work or modification

Prerequisites we also handle for you

And whatever a third party provides, we arrange it

  • Project or certificate signed by an architect or engineer

You do not have to look for anyone: we coordinate it. As it is provided by a third party it is quoted separately and does not go inside the price of this procedure, and we tell you the amount before ordering it.

Legal basis and things to bear in mind

  • Submitting this declaration is a fundamental requirement to align the physical reality of the property with the Catastro records.
  • In transactions such as sales or inheritances, the Notary or Registrar will require the Catastro information to faithfully match what has been built.

Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations): frequently asked questions

Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations): how much does it cost?

We charge you €144: our fee plus, where applicable, the fixed official tasa we advance. Our fee €144.00 (21% VAT incl.). Managora's fee is €144.00, 21% VAT included (€119.01 net + €24.99 VAT). The official tasa charged by the authority (a suplido paid on your behalf, no VAT) is: Free procedure: submitting the Catastro declaration of alteration due to works before the Catastro does not incur any tasa (official fee). The only Catastro fee (tasa de acreditación catastral) is charged only for issuing certificates and copies of documents, not for declarations. We submit your declaration on your behalf with no fee cost..

Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations): how long does it take?

The deadline for resolution is set by the regulations of the procedure; we will confirm it to you when we open your case file.

Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations): which documents do I need?

You need to have to hand: Escritura de obra nueva (new build title deed), if any, Technical documentation (project, final work certificate, or licences), Photographs of the current state of the work or modification. You do not upload them here: we collect the details through the guided chat.

Who files the procedure?

Managora files it in your name with Dirección General del Catastro. You only provide the details through the chat and sign a mandato (power of representation); we prepare, sign and register it.

Can it be done online?

Yes. The whole process is online: you answer a few questions in the guided chat, sign a simple mandato on screen and receive the receipt and the official documents by email, with full legal validity.

Related procedures

Based on the legislation in force and on the official site of the competent authority: Dirección General del Catastro ↗.

Shall we get started with «Declaración Catastral de Obra Nueva o Reforma (Modelo 900D) (Catastro declaration for new builds or renovations)»?

We file it for you, from start to finish.

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